u 3 v 3 − 2 u 3 v 2 + 2 u 3 v − 2 u 3 − 4 u 2 v 3 + 6 u 2 v 2 − 6 u 2 v + 4 u 2 + 4 u v 3 − 6 u v 2 + 6 u v − 4 u − 2 v 3 + 2 v 2 − 2 v + 1 u 3 / 2 v 3 / 2 {\displaystyle {\frac {u^{3}v^{3}-2u^{3}v^{2}+2u^{3}v-2u^{3}-4u^{2}v^{3}+6u^{2}v^{2}-6u^{2}v+4u^{2}+4uv^{3}-6uv^{2}+6uv-4u-2v^{3}+2v^{2}-2v+1}{u^{3/2}v^{3/2}}}}
